Make your own chalk paint using plain interior paint mixed with Plaster of Paris. Mix 5 tablespoons of Plaster of Paris with 2 cups of paint and 2 tablespoons of water. It may be lumpy, but once you brush it on, it evens out.
DIY: Puffy Paint Letters Make raised letters for craft projects: print out the font you want and place wax paper over it. Trace letters with puffy paint, let dry, then use mod podge to secure letters to canvas, etc.